Furnace preheater and shield.



W. S. ROCKWELL.

FURNACE PREHEATER AND SHIELD.

APPLICATION FILED FEB.10,1914,

1,101,961. Patented June 30,191

2 SHEETS-SHEET 1 ii i a 61 766222 Jam wafiu i umlm i J 24m a gj W. S. ROCKWELL. FURNACE PREHEATBR AND SHIELD,

AlPLIGATION FILED FEB. 10, 1914 Patented June 30, 1914.

2 SHEETS SHBET 2,

QXMMA/(mA/QA iii iii WAL'l'fiR ROCKVELL, OF NEW YORK, N. Y.

Jz URlllAifE PREHEATEB AND SHIELD.

Epsnifizralinn of Iettevs Patent.

Patented J un 30. 1914.

Application. file-r; Frlirnm'y 10. 1914. Sal-la] No. 817,749.

The invention vomis partly m a prellWil'Pl mnmining {1R a.ii=--i;mcl:iii. supported muhlc 1hr vzlsifig oi? the furnace above the wmkingmponing. with a. .llliillllfi space. he- Lww n lhe same and ihi" hmxzujwliluni to z'u'lmil. {ha hash-(l gums wliivh wrap-.2 fmm tin: \i( l'l-i.llll' "pr-mug. and whh-h an: ijlriwn sip- :ull y lgv n. himfl-pipv lHKfllPLi just. llil'lflfitll! the W iimz-upvuing.

The term lll'fi'llilltlbl is used herein to em lax-ave the nss x-ialeul parts which conduct The air llmmgh :m air umnlnitfl to be heated mill which 0x130"? such nonlluit to the heat ml {he -\1%F5l.'(}- 1li5(f:1. Th9 much]it-pipm are wnnwfwl 1'7. ihun og'qwniic Paula ra n ng.

'i in nitr-vomluit may be mathof a hollow mwling m casting. or of mm 01 mmv 'pipus comm-("ted togitheinnrl slippmlml mljnvcnt tn the iul'nmwi'rnnl. Th0 niwvmuluit m liiI'll-llfiillll may il:=i-ll npvmiv as :1 Slilllll Lu pz'ntm't the (JIHFLIHUI' from tho railmriun of: limit. 01' the shivhl may mnwmt if :1 platiof rmzhil m: lmhwl (lay npvmting tn vonlino lll'." Wzmimgnsirs in proximity to the prv- 1i "ii-1. or ll may he pm'l n! a Inning fin-m is :m invluscd chnmlwr ulmut the preliPJllI'. A hlnQt-pipi- (lii'wting :1. lilnfit zipwniilly from [he lower crlge. ut' tlxe milling: n uruing can he used Whuru the Rl'tlL'lLH in he lllfilfil are placed wholly within. tlw fur nun-ii. as indicated by the bars and blocks: in the drawing.

Various mmlilicatium may be omployvd Whirh will he UIIdLlFl'Oi'llfl by rcfsruncu h) the annexed clnm'ing, in which-- Figure 1 is :1 front elevation of :1 finnawe with pmlmater and shield, the rightlinnd hull of the shield being broken away anal reprcsvnted merely by dotted linvs. in ui'iler h; expose thP airwomluit. Fig. i :i (rims-section on line E2-2 in Fig. J. uml Fig. is a plan (if the flZI'DWK fIUDi.Shh hl and air-0imcluit.. Fig. 1 shmvs :1 PlP-lllfizllil mm'lv of ainpipes arranged to serve as a Shiuh'l; Fig. 5 shows the air-conduit haw ing pipes arrangPd in sloping series; Fig. 6 is a. plan of the parts Shmvn in F 1g. 5.

In Figs. 1 to 3 the hinting-vimmlmr 1 i. r-lm'wn with a wurhingr-npsniug 2 (.(ltlrilwl llii-mzgh tlw fui'nm-Plrwnl llw term v\'-- ii-mlwl" .Zllillilllff 111:. vim-1min]: frnm ilw wlumi ie'r mzlwzilwl lhrmigh *zli'li llnhi. will l i-- Jilrllnlllfll mil till f lm. -iirm J t .li uu' ilil' wmking-m'wuirig liy hrn'lqh I thin n"imitting 3000s?) l()- the Wcirlqiug-upi-ningg whilw inh-i'i-upling the hc-nlutl flaws musl lll'lw' ti 'i'ly, and aii cnniinit-pipw T {nn mmnwt- 1 in a sm'ivs by 1'i' tm'n-l 0n 'ls T illhl a sQlll'fi supported upon the furnacwfrnnt 2, by bracket 6 which are shown in fl'fifllI-VlPW in Fig. l, and in sidewimv in Fig.2. .mdinplrm in Fig. 3. Th! heads arc :ipproprial'i-ly (-011- nectud with an lll'aill ply-pipe S and Willi the burners 10. A (incl: 8 regulates the supply of air to the pro-heater, and cocks 11 c-onnertci'd tn flwl supply-pipos 11 regulate the supp of flwl lo the huxnvrs, lncah-il jmi he-lnw the lvwl of the Working-opening and g'm-rl'orntml in li-zr-hnPgQ :m air-blast, my l ii'iirr'iiy into tin;- spnuu lwtwccn the QLIU'T'VOIk wil H ill) upon such conduit-pipes, and the ends of the pipes being connected respectively with an air-supply and with the combustion-chamber of the furnace.

5. In a heetin -fui'nace, the combination, with a heating-c amber having a workingopening extended through the front from which wastegases may escape; of an aircondnit su ported before the furnace-front in the put of the gases rising from the wo1'king-opening, and an ai1' blast-pipe arranged below the working-opening and adjacent thereto and operating to drive the waste-gases upwardly against the air-con dhit to heat the air passlng therethrough.

6. In a heating-furnace, the combination, with a heating-chamber having a Workingopening extended through the front from which waste-gases may escape, of an aireonduit supported before the furnace-front in the fziztth of the gases rising from the working-o ening antll having its ends connected respeo'tive y tothe combustion-chamber of the furnace) and to an air-supply-pipe, and a branch of such air-en pl -pipe extended in a blast-pipe near tl e lhwer edge of the Working-opening and directing a blast upwardly against the ainconduit to heat the air passing therethi'ongh.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

\VALTER S. ROCKWELL.

\Vitnesses Eonxum b. LONG, JOSEPH A. DOYLE.

. conduit su ported before the furnace-front in the pat of the gases rising from the working pening, and an air-hlast-pipe arranged below the working-opening and ad j-acent thereto and operating to drive the aste-gases upwardly against the air-condui't to" heat the air passingtherethrongh.

6; In a heatingi-fin-nace, the combination,' with a heating-chamber haying a Working opening extended through the front from [SEAL] Corrections in Letters Patent No. 1,101,961

tion requiring correction as follows:

Signed and sealed this 11th day of August, A. U,, 1911.

which waste-gases may escape, of an airconduit supported before the furnace-front in" the path the gases rising from the wo'rki'rrg e ieningg, having its ends connected respeetively tethe combustion-chamber of the furnace gin-alto an air-supply-pipe, and a branch of such ainsnjppl -pipe ex-' tended in a blast-pipe nezir e lhwer edge of the Working-opening and. directing a blast upwardly against the" nir-conduit to heat the air passing therethronglh,

In testimony whereof I have hereunto set my hand in the presence of twosubscribing Witnesses.

\VALTER S; ROCIUYELL. WVitnesses EDWARD S: LONG, JOSEPH A. DOYLE.

. ment in Furnace Preheaters and Shields, an error appears in the printed specified Page 1, line 109, after the Word burners strike out the comma and insert a period and the words A blast-pipe 2's; and that the proper corrections have been made in the files and rer'm'lls s offine and are hereby Inade in the said Letters Patent.

J. T. NEWTOlg,

It ishereby certified that in Letters Patent No. 1,101,961, granted June 30, 1914, upon the application of Walter S. Rockwell, of New York, Y., for an improve.

Corrections in Letters Patent No. M01361.

It ia'hereby certified that in Letters Patent No. 1,101,961, granted June 30, 1914 upon the application of Walter S. Rockwell, of New York, N. Y., for an improve ment in Furnace Preheaters and Shields," an error appears in the printed specification requiring correction as follows: Page 1, line 109, after the word burners strike out the comma and insert a period and the words A blast-pipe 7 s; and th t the proper corrections have been made in the files and mm-u nf H- fljp d are hereby made in the said Letters Patent.

Signed and sealed this 11th day of August, A. 1) 1914.

J. T. NEWTON,

Acting Commissioner qfPutents.

[sank] I 

